Pump Service - STA-RITE AR204-L 3/4 HP Owner's Manual

Hazardous voltage.
Can shock, burn,
or cause death.
Disconnect power
before working on
pump or motor.
Startup for Winterized Equipment
1. Remove any temporary weather protection placed around system for shut-
down.
2. Follow filter manufacturer's instructions for reactivation of the filter.
3. Inspect all electrical wiring for damage or deterioration over the shutdown
period. Have a qualified serviceman repair wiring as needed.
4. Inspect and tighten all watertight connections.
5. Open all valves in suction and return piping.
6. Remove any winterizing plugs in piping system.
7. Drain all antifreeze from system.
8. Close all drain valves and replace all drain plugs in piping system.
9. Prime pump according to instructions on Page 7.

PUMP SERVICE

Pump should only be serviced by qualified personnel.
Be sure to prime pump (Page 7) before starting.
Hazardous pressure. Before removing clamp or trap cover:
1. STOP PUMP before proceeding.
2. CLOSE GATE VALVES in suction and discharge pipes.
3. RELEASE ALL PRESSURE from pump and piping systems.
4. NEVER tighten or loosen clamp while pump is operating!
To avoid dangerous or fatal electrical shock hazard, turn OFF power to
motor before working on pump or motor. Discharge capacitor before
removing it.
Aside from lubricating trap cover O-Ring, no lubrication or regular mainte-
nance is needed beyond reasonable care and periodic cleaning.
If shaft seal is worn or damaged, repair as follows:
Pump Disassembly/Remove Old Seal
Disconnect power to pump motor.
Be sure gate valves on suction and return piping are closed before
starting work.
Release all pressure by opening all vents before starting work.
1. Drain pump by removing drain plugs on bottom of pump body and trap
body.
2. Be sure there is no pressure in trap body; remove cover.
3. Remove nuts holding motor/seal plate assembly to pump body.
4. Motor and seal plate assembly can now be pulled away from pump body.
5. Remove screws holding diffuser to seal plate. Remove diffuser.
6. Remove motor canopy. Being careful not to touch capacitor terminals,
loosen capacitor clamp and move capacitor to one side.
7. Hold shaft with 7/16" open-end wrench on motor shaft flats.
NOTICE: Impeller in Models AR207-L and AR208-L is fastened to shaft
with a left-handed thread impeller screw. Remove impeller screw (turn
clockwise) before removing impeller).
8